//
//  ReAddressDynamic.m
//  NtoccDriverNew
//
//  Created by mac on 2021/2/3.
//  Copyright © 2021 GCY. All rights reserved.
//

#import "ReAddressDynamic.h"

@implementation ReAddressDynamic

+ (instancetype)shared {
    static ReAddressDynamic *singleton = nil;
    static dispatch_once_t onceToken;
    // dispatch_once  无论使用多线程还是单线程，都只执行一次
    dispatch_once(&onceToken, ^{
        singleton = [[ReAddressDynamic alloc] init];
    });
    return singleton;
}

@end
